12
QuizMultiple Choice

Evolutionary Relationships — Unit test

Question 12 • Basic Biology S2

Which statement best compares a trace fossil to a fossil that forms as a result of an entire organism being trapped in amber?

Answer
A
Both show the exact structure of the organism.
B
Both require that the hard parts of the organism dissolve.
C
Both form as a result of the organism leaving imprints in sediment.
D
Both can possibly be used to study the organism's size.

Explanation

A trace fossil records an organism’s activity, such as footprints, which can reveal its size. An organism trapped in amber may be preserved with its body structure intact, so its size can also be studied. Trace fossils do not show the organism’s exact structure, and amber preservation does not require hard parts to dissolve or involve imprints in sediment.

AI-written and checked against the verified answer.

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